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Competitions

PP2. Week 8: April 26 - May 2

The sum of all

Find the sum of all given numbers.

Input

Contains n (1 ≤ n ≤ 105) integers. All the numbers do not exceed 109 in absolute value.

Output

Print the sum of all given numbers.

Time limit 1 second
Memory limit 128 MiB
Input example #1
2 3
   1      1
Output example #1
7